value unc_up unc_lo author ref method 11.06 4.630 4.630 Masiero 2017AJ....154..168M NEATM 12.69 0.142 0.142 Masiero 2011ApJ...741...68M NEATM 13.18 0.159 0.159 Masiero 2011ApJ...741...68M NEATM